The coronavirus marks an opportunity for Bay Area theater to go digital

Datebook: It’s getting close to curtain time at the Marsh, and actors John Fisher, Polly Levi and Jake Soss are backstage in the San Francisco venue. The upstairs studio theater smells strongly of disinfectant, an early effect of the coronavirus era. Now, the March 14 audience for “Radical,” by John Fisher, is about to hear a few more adaptations for our times.